A new study finds that teens who engage in frequent texting, social media use and other online activities daily are more likely to develop symptoms of ADHD.
In this latest form of self-harming behavior, adolescents anonymously post mean or derogatory comments about themselves on social media as a way of managing feelings of sadness or self-loathing.
Adolescents are under more pressure than ever, and many suffer from depression and anxiety. But new research suggests that volunteering to help strangers makes them feel better about themselves.
In a recent national survey, nearly 80 percent of women living in rural areas reported having experienced sexual intercourse by age 18, compared with 68.6 percent of women in cities.
Adolescents with severe obesity who had bariatric surgery showed significant improvements in cardiovascular disease risk factors such as elevated blood pressure and high cholesterol.
It's not proof of cause and effect, but should be a warning, researchers say. Surveys showed teens — especially girls — who spent hours online daily were more likely than others to report depression.
"It starts out with one little thought, and then slowly that becomes the only thought that you're able to have," Green says. His new novel, Turtles All The Way Down, is about a teenage girl with OCD.
"Human beings are the only species that deliberately deprive themselves of sleep for no apparent gain," says sleep scientist Matthew Walker. His new book is Why We Sleep.
Psychologist Jean Twenge has observed dramatic shifts in behavior among children who go through adolescence with smartphones. They're spending less time with friends and reporting greater anxiety.